FTC says Quaker State's Slick 50 ads are false

Published on July 22, 1996.

The Federal Trade Commission charged Quaker State's Slick 50 division made false and unsubstantiated claims for Slick 50, in ads saying the engine treatment extended engine life and reduced engine wear. The FTC referred to ads going back to 1978 from several agencies, though most recent ads have been done in-house. Temerlin/McClain, Dallas, now handles. Slick 50 said it would fight the FTC and claimed it has proof of its claims.